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Finding the Fourth Proportional to 34,461.60, 51,627.60 and 32,128.80

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Solution

The fourth proportional to 34,461.60, 51,627.60 and 32,128.80 is: 48,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,461.60 : 51,627.60 = 32,128.80 : x
  2. Step 2: Convert to fraction form
    34,461.60/51,627.60 = 32,128.80/x
  3. Step 3: Cross multiply
    34,461.60x = 51,627.60 × 32,128.80
  4. Step 4: Simplify right side
    34,461.60x = 1,658,732,834.88
  5. Step 5: Solve for x
    x = 1,658,732,834.88/34,461.60
  6. Step 6: Final answer
    x = 48,132.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.